Hi Anand, Anand Moon <linux.amoon@xxxxxxxxx> writes: > Override the dr_mode from "host" to "peripheral" for dwc2 > usb_phy0->usb0 initilization of OTG Micro-B type. > Changes fix the below warning for phy poweron failed --> -22 > > Changes fix the initialization of c9000000.usb phy > > [ 1.203900] phy phy-c0000000.phy.0: USB ID detect failed! > [ 1.208048] phy phy-c0000000.phy.0: phy poweron failed --> -22 > [ 1.213877] WARNING: CPU: 1 PID: 44 at drivers/regulator/core.c:2054 _regulator_put.part.11+0xf0/0xf8 > [ 1.222953] Modules linked in: > [ 1.225976] CPU: 1 PID: 44 Comm: kworker/1:1 Not tainted 5.0.0-rc1-xc2ml #3 > [ 1.232872] Hardware name: Hardkernel ODROID-C2 (DT) > [ 1.237794] Workqueue: events deferred_probe_work_func > [ 1.242878] pstate: 80000005 (Nzcv daif -PAN -UAO) > [ 1.247623] pc : _regulator_put.part.11+0xf0/0xf8 > [ 1.252280] lr : regulator_put+0x34/0x48 > [ 1.256159] sp : ffff00001176bb00 > [ 1.259437] x29: ffff00001176bb00 x28: 0000000000000000 > [ 1.264698] x27: ffff80007f31beb8 x26: ffff000010eeb7e0 > [ 1.269959] x25: 0000000000000000 x24: 0000000000000009 > [ 1.275220] x23: ffff00001176bbc8 x22: ffff80007ed9d500 > [ 1.280482] x21: ffff0000111bd6c8 x20: ffff80007ed9d700 > [ 1.285743] x19: ffff80007ed9d700 x18: 000000000000006f > [ 1.291004] x17: 0000000000000000 x16: 0000000000000000 > [ 1.296265] x15: 0000000000000400 x14: 0000000000000400 > [ 1.301527] x13: ff00000000000000 x12: ffffffffffffffff > [ 1.306788] x11: 0000000000000038 x10: 0000000000000040 > [ 1.312049] x9 : ffff0000111d58b0 x8 : ffff0000111d58a8 > [ 1.317310] x7 : ffff80007ed9db00 x6 : ffff80007ec21b00 > [ 1.322571] x5 : ffff80007f400248 x4 : ffff80007fba9b00 > [ 1.327833] x3 : ffff0000112d9eb8 x2 : ffff80007ec21b00 > [ 1.333094] x1 : 0000000000000000 x0 : 0000000000000001 > [ 1.338356] Call trace: > [ 1.340773] _regulator_put.part.11+0xf0/0xf8 > [ 1.345085] regulator_put+0x34/0x48 > [ 1.348621] regulator_bulk_free+0x30/0x50 > [ 1.352675] devm_regulator_bulk_release+0x18/0x20 > [ 1.357421] release_nodes+0x1b0/0x220 > [ 1.361127] devres_release_all+0x34/0x50 > [ 1.365094] really_probe+0xec/0x290 > [ 1.368630] driver_probe_device+0x54/0xe8 > [ 1.372684] __device_attach_driver+0xb8/0xe8 > [ 1.376997] bus_for_each_drv+0x78/0xc8 > [ 1.380792] __device_attach+0xd4/0x130 > [ 1.384587] device_initial_probe+0x10/0x18 > [ 1.388727] bus_probe_device+0x90/0x98 > [ 1.392522] deferred_probe_work_func+0x6c/0xa0 > [ 1.397010] process_one_work+0x1e0/0x318 > [ 1.400975] worker_thread+0x228/0x428 > [ 1.404684] kthread+0x124/0x128 > [ 1.407876] ret_from_fork+0x10/0x18 > [ 1.411410] ---[ end trace de5fd1b262c1f56a ]--- > [ 1.416055] WARNING: CPU: 1 PID: 44 at drivers/regulator/core.c:2054 _regulator_put.part.11+0xf0/0xf8 > [ 1.425123] Modules linked in: > [ 1.428144] CPU: 1 PID: 44 Comm: kworker/1:1 Tainted: GW 5.0.0-rc1-xc2ml #3 > [ 1.436422] Hardware name: Hardkernel ODROID-C2 (DT) > [ 1.441340] Workqueue: events deferred_probe_work_func > > Fixes: 5a0803bd5ae (ARM64: dts: meson-gxbb-odroidc2: Enable USB Nodes) Minor nit: the shortlog should be in double quotes. I fixed it up manually, so nothing you need to do, but just for future reference. This was found by some automated checking recently added to the linux-next tree. Kevin > Tested-by: Kevin Hilman <khilman@xxxxxxxxxxxx> > Cc: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > Cc: Jerome Brunet <jbrunet@xxxxxxxxxxxx> > Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> > --- > Rebased on Kevin's amlogic/v5.0/fixes branch > Changes from patch v1 [0] https://lore.kernel.org/patchwork/patch/1031243/ > - Split the patch into two part > - Fix the commit message > - Added Tested by Kevin Hilman > --- > arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts > index 1cc9dc68ef00..25a36d117183 100644 > --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts > +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts > @@ -302,6 +302,7 @@ > > &usb0 { > status = "okay"; > + dr_mode = "peripheral"; > }; > > &usb1 { > -- > 2.20.1
